Dehydration Can Increase Driver Inattention and Fatigue

When Drinking Helps Driving: Dehydration May Boost Driver Error

This study done in the U.K. says, "the error rate in the dehydrated state was comparable to driving with a blood-alcohol content of 0.08%, the legal limit in most U.S. states". Don't put you or your passengers at risk by ignoring your hydration levels while driving! 

*Note: This link has multiple articles as you scroll down. This article ends with the blue link to the official study saying "Mild hypohydration increases the frequency of driver errors during a prolonged, monotonous driving task".